Product # IQ48xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005062 Rev. A

09/25/08

Page 10

Technical Specification

Input:

Output:

Current:

Part no.:

34 - 75 V

5.0 V

46 A

IQ48050HPC46

IQ48050HPC46 eLeCTRICAL CHARACTeRISTICS (5.0 Vout)

Ta=25°C,airflowrate=300LFM,Vin=48Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cbaseplate

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

Typ.

Max.

Units notes & Conditions

InPUT CHARACTeRISTICS

MaximumInputCurrent

10.2

A

Vinmin;trimup;incurrentlimit

No-LoadInputCurrent

50

60

mA

DisabledInputCurrent

1

2

mA

ResponsetoInputTransient

0.4

V

SeeFigure6

InputTerminalRippleCurrent

220

mA

RMS

RecommendedInputFuse

20

A

Fastactingexternalfuserecommended

OUTPUT CHARACTeRISTICS

OutputVoltageSetPoint

4.95

5

5.05

V

OutputVoltageRegulation

OverLine

±0.1

±0.3

%

OverLoad

±0.1

±0.3

%

OverTemperature

-75

75

mV

TotalOutputVoltageRange

4.875

5.125

V

Oversample,line,load,temperature&life

OutputVoltageRippleandNoise

20MHzbandwidth;seeNote1

Peak-to-Peak

0

130

260

mV

Fullload

RMS

25

50

mV

Fullload

OperatingOutputCurrentRange

0

46

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

50.6

55.2

59.8

A

Outputvoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

2.1

V

Back-DriveCurrentLimitwhileEnabled

0.5

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentLimitwhileDisabled

0.4

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

8,000

µF

Voutnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

130

mV

50%to75%to50%Ioutmax

SettlingTime

500

µs

Towithin1%Voutnom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigures3-5

OutputVoltageRemoteSenseRange

10

%

AcrossPins8&4

OutputOver-VoltageProtection

5.9

6.1

6.4

V

Overfulltemprange

eFFICIenCY

100%Load

88

%

SeeFigure1forefficiencycurve

50%Load

92

%

SeeFigure1forefficiencycurve

Note1:Outputisterminatedwith1µFceramicand15µFlow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand

noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)